OPTO-EDU EX31 Series User manual

Version No.: V1.0

EX31 Series

Biological

Microscope

INSTRUCTIONS

This instruction manual is for the operation guide, troubleshooting and

maintenance to the EX31 series biological microscope. Please study this

manual thoroughly before operating, and keep it with the instrument. The

manufacturer reserves the rights to the modifications by technology

development. On the basis of operation ensured, technical specifications

may be subject to changes without notice.

 
Contents EX31 Series 
Before Use 
1. Components.........................................................................................................................1 
2. Assembling..........................................................................................................................5 
2-1 Assembling Scheme......................................................................................................5 
2-2 Assembling Steps..........................................................................................................6 
3. Operations...........................................................................................................................8 
3-1 Set Illumination.............................................................................................................8 
3-2 Adjust Color Temperature.............................................................................................8 
3-3 LCD Display.................................................................................................................8 
3-4 Place the Specimen Slide..............................................................................................9 
3-5 Adjust the Focus............................................................................................................9 
3-6 Adjust the Focusing Tension.........................................................................................9 
3-7 Adjust the Diopter.........................................................................................................9 
3-8 Adjust the Interpupillary Distance..............................................................................10 
3-9 Center the Condenser..................................................................................................10 
3-10 Adjust the Field Diaphragm......................................................................................10 
3-11 Aperture Diaphragm .................................................................................................11 
3-12 Use the Oil Objective (100X) ...................................................................................11 
3-13 Use the Filter.............................................................................................................12 
3-14 Use Button and Interface of the Digital Head...........................................................12 
4. Assembling and Operation of Accessories......................................................................13 
4-1 Assembling and Operation of the LED Fluorescence Device.....................................13 
4-2 Assembling and using of the TV Device ....................................................................15 
4-3 Assembling the Photography Device..........................................................................15 
4-4 Assembling the Phase Contrast Device.......................................................................16 
4-5 Assembling and Operation of Dark Field Flapper......................................................17 
4-6 Assembling and Operation of Simple Polarizing........................................................17 
4-7 Operation of Digital Observation Head ......................................................................18 
5. Troubleshooting................................................................................................................19 
 
 

Before Use EX31 Series

1. Operation Notice 1. As the microscope is a high precision

instrument, always operate it with care. Do not

expose the microscope in the sun directly, either

not in the high temperature, damp, dust or acute

shake. Make sure the worktable is flat and

horizontal. Following environment is required

when operating: Indoor temperature: 5℃～40℃,

Max relative humidity: 80%.

2. When moving the microscope, use both hands

to hold its back hand-clasping ①and the front

base ②, and lay it down carefully (see Fig. 1).

★It will damage the microscope by holding

the stage, focusing knob or head when

moving.

3. When working, the surface of condenser will

be very hot. Make sure there is enough room for

the heat dissipating around the condenser③(see

Fig. 2).

4. For safety, make sure the power switch ④is

at “O” (off) and power it off before replacing the

LED lamp, and wait until the lamp and base cool

down completely (see Fig. 3).

★Bulb selected only: single 3W LED（class

3B）

5. External power supply adaptor is adopted.

Wide voltage range is supported as 100~240V.

6. Use the special wire supplied by our company.

7. USB cable should meet the requirements of

[GB4943 Information Technology Equipment

Security].

8. The device should be placed in a well

ventilated area or where the vents should not be

blocked.

9. All the power OFF devices have been set in

the position where is easy to operate.

10. Please put the power plug or connector in an

easily accessible place.

11. It is recommended to evaluate the

electromagnetic environment before using the

equipment.

12. Do not use near strong radiation sources

(such as unshielded RF sources), otherwise the

normal operation of device may be interfered.

13. The waste LED bulbs belong to the

hazardous wastes specified in the National

Hazardous Waste List and should be disposed by

qualified institutions.

14. No contraindications for this product.

Fig.1

Fig.2

Fig.3

EX31 Series

15. Any parts that can only be inspected or

supplied by the manufacturer and replaced or

repaired by the manufacturer's designated

personnel.

16. Failure to use the equipment in accordance

with the manufacturer's instructions may result in

damage to the equipment.

2. Maintenance

1. Wipe the lens gently with a soft tissue. Carefully wipe off the oil marks and fingerprints

on the lens surfaces with a tissue moistened with a small amount of 3:7 mixture of alcohol and

ether or dimethylbenzene.

★As the alcohol and ether is flammable, don’t place these chemical near to fire or fire

source. For example, when turning on or turning off the electrical device, please use these

chemical in a ventilated place.

2. Don’t use organic solution to wipe the surfaces of the other components. Please use the

neutral detergent if necessary.

3. If the microscope is damped by liquid when using, please power it off immediately and

wipe it dry.

4. Never disassemble the microscope, otherwise the performance will be affected or the

instrument will be damaged.

5. After using, cover the microscope with a dust cover.

3. Safety Sign

Sign

Signification

Study the instructions before use. Unsuitable operation would lead to

person hurt or instrument faulty.

Main switch ON

Main switch OFF

1. Components EX31 Series

EX31 series biological microscope

Binocular Head

Eyepiece

Objective

Nosepiece

Body Group

Fine Focusing

Knob

Tension

Adjustment

Ring

Koehler Illuminator

Coarse Focusing

Knob

Light Adjustment

Knob

Objective

Stage

Koehler Illuminator

Condenser

Focus Arm

EX31 Series

Eyepiece

Objective

Nosepiece

Body Group

Gemel Binocular Head

Koehler Illuminator

Fine Focusing

Knob

Coarse

Focusing Knob

Focus Arm

Stage

Koehler Illuminator

Condenser

LCD Display

Power Switch

Color Temperature

Knob

Objective

EX31 Series

EX31 series biological microscope（with LED fluorescence device）

Eyepiece

Light

Adjustment

Knob

（Reflected）

Gemel Binocular

Head

Koehler Illuminator

Condenser

Stage

Body

Group

Focus

Arm

Fine

Focusing

Knob

Coarse

Focusing

Knob

Power Switch

（Transmitted）

LCD Display

Lock screw

Fluorescent filter

Adjustment Knob

Lock screw

Light Shield

Objective

Nosepiece

Color

Temperature

Knob

LED Fluorescence

Illuminator

EX31 Series

Gemel Binocular

Head

Koehler Illuminator

Stage

Power Cord

Objective

Nosepiece

Body

Group

Coarse

Focusing

Knob

Eyepiece

LED

Fluorescence

Illuminator

External

Power Socket

Tension

Adjustment

Ring

Fine

Focusing

Knob

Light Adjustment

Knob（Transmitted）

Focus Arm

2. Assembling EX31 Series

2-1 Assembling Scheme

Following is the Assembling Scheme, and the numbers denote the assembling order.

★Before assembling, make sure there is no dust, dirt or other materials which will

disturb it.Assemble carefully and do not scrap any part or touch the glass surface.

EX31 Series

2-2 Assembling Steps

2-2-1 Assemble the Koehler Illuminator

Condenser

(1) Rotate the coarse focusing knob①to raise

the stage to the highest position (see Fig. 4).

(2) Rotate the condenser up-down knob②to

lower the bracket of condenser to the suitable

position.

(3) Fully loosen the condenser lock-screw③.

(4) Align the orientation screw at the back of

condenser with the groove of condenser base,

and push the condenser to the innermost of the

condenser base.

(5) Tighten the lock-screw③of condenser, then

raise the condenser with the up-down knob②to

the highest position.

2-2-2 Assemble the Objective

1. Rotate the coarse focusing knob①to lower

the stage to a suitable position (see Fig. 5).

2. When installing the objectives, install the 4X,

10X, 20X, 40X, 100X objective matching with

the nosepiece hole 1, 2, 3, 4, 5 (see Fig. 6).

★When operating, first use the low

magnification objective (4X or 10X) to search

for specimen and focus, and then replace with

high magnification objective to observe.

★When replacing the objective, rotate the

objective nosepiece until it sounds “ka-da”, to

make sure the objective wanted is in the

center of optical path.

3. The objective nosepiece has memory function,

which can automatically memorize the brightness

value saved by the objectives of each

magnification.

When the nosepiece is rotated clockwise or

counterclockwise but does not enter the next

objective position, the brightness value and

magnification display remain unchanged. After

entering the new objective magnification position,

the brightness value is displayed as the value

previously saved by the magnification objective,

and the objective magnification display is

updated to the current objective magnification.

Fig.5

Fig.6

Fig.4

图3

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